[PATCH] powerpc/kvm: Force selection of CONFIG_PPC_FPU

Christophe Leroy christophe.leroy at csgroup.eu
Tue Jan 19 17:36:52 AEDT 2021


book3s/32 kvm is designed with the assumption that
an FPU is always present.

Force selection of FPU support in the kernel when
build KVM.

Reported-by: kernel test robot <lkp at intel.com>
Fixes: 7d68c8916950 ("powerpc/32s: Allow deselecting CONFIG_PPC_FPU on mpc832x")
Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
---
 arch/powerpc/kvm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 549591d9aaa2..e45644657d49 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -54,6 +54,7 @@ config KVM_BOOK3S_32
 	select KVM
 	select KVM_BOOK3S_32_HANDLER
 	select KVM_BOOK3S_PR_POSSIBLE
+	select PPC_FPU
 	help
 	  Support running unmodified book3s_32 guest kernels
 	  in virtual machines on book3s_32 host processors.
-- 
2.25.0



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